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本文对吉林省西南部地区花岗岩类的微量元素特征进行了系统的研究，并利用微量元素的某些特征值对区内花岗岩成因进行了探讨。
In this paper, the trace element characteristics of granitoids in the southwestern part of Jilin Province have been studied systematically, and some eigenvalues of trace elements have been used to discuss the genesis of granites in the area.